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Rexroth Make Proportional Directional Valve 4WRKE27 Series

    • Rexroth Make Proportional Directional Valve 4WRKE27 Series
    • Rexroth Make Proportional Directional Valve 4WRKE27 Series
    • Rexroth Make Proportional Directional Valve 4WRKE27 Series
    • Rexroth Make Proportional Directional Valve 4WRKE27 Series
  • Rexroth Make Proportional Directional Valve 4WRKE27 Series

    Product Details:

    Place of Origin: Germany
    Brand Name: Rexroth
    Certification: ISO
    Model Number: Rexroth 4WRKE27E1 4WRKE27E500 W4RKE27W6 4WRKE27W8 Proportional Directional Valve

    Payment & Shipping Terms:

    Minimum Order Quantity: 1
    Price: On request
    Packaging Details: Standard paper box
    Delivery Time: 7-10days
    Payment Terms: T/T, Western Union
    Supply Ability: 100PCS per month
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    Detailed Product Description

    Rexroth Make Proportional Directional Valve 4WRKE27 SeriesRexroth 4WRKE Series Proportional Directional Valve

    Size 10, 16, 25, 27, 32, 35
    Component series 3X
    Maximum operating pressure 350 bar
    Maximum flow 3000 l/min

    Features

    *Pilot-operated 2-stage proportional directional valves with electrical position feedbackof the main control spool and integrated electronics (OBE) Control of flow direction and size
    *Proportional solenoid operation
    For subplate mounting: Porting pattern according to ISO 4401 Electrical position feedback
    *Spring-centered main control spool Pilot control valve: single-stage proportional directional valve
    *Main stage with position control

     

    Technical Data

    General

    Type 4WRKE
    Size 10 16 25 27 32 35
    Installation position   any, preferably horizontal
    Ambient temperature range °C -20 … +50
    Storage temperature range °C -20 … +80
    Weight kg 8.7 11.2 16.8 17 31.5 34
    Sine test according to DIN EN 60068-2-6   10 cycles, 10…2000.. 10 Hz with logarithmic frequency changing speed of 1 octave/min, 5 to 57 Hz, amplitude 1.5 mm (p-p), 57 to 2000 Hz, amplitude 10g, 3 axes
    Noise test according to DIN EN 60068-2-64   20…2000 Hz, amplitude 0.05g2/Hz (10gRMS) 3 axes, testing time 30 min per axis
    Shock test according to DIN EN 60068-2-27   Half-sine 15g / 11 ms, 3 times in positive and 3 times in negative direction per axis, 3 axes
    Damp heat according to DIN EN 60068-2-30   Variant 2: +25 °C … +55 °C, 90 % … 97 % relative humidity, 2 cycles á 24 hours

    Hydraulic

    Size 10 16 25 27 32 35
    Maximum operating pressure   bar 350
    Maximum operating pressure Port P bar 315 350 210 350
    Port A bar 315 350 210 350
    Port B bar 315 350 210 350
    Operating pressure range Pilot control valve, pilot oil supply bar 25 … 315
    Maximum return flow pressure Port T, external pilot oil return bar 315 250 210 250
    Port T, internal pilot oil return bar 10
    Port Y bar 10
    Maximum flow   l/min 170 460 870 1000 1600 3000
    Nominal flow 1)   l/min 25
    50
    100
    125
    150
    200
    220
    220
    350
    500 400
    600
    1000
    Pilot flow input signal 0 → 100% Port X and Y l/min 4.1 8.5 11.7 13
    Hydraulic fluid temperature range   °C -20 … +80
    preferably °C -40 … +50
    Viscosity range   mm²/s 20 … 380
    preferably mm²/s 30 … 45
    Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 2) Pilot control valve   Class 18/16/13 according to ISO 4406 (c)
    Main valve   Class 20/18/15 according to ISO 4406 (c)
    Hysteresis   % ≤ 1
    Response sensitivity   % ≤ 0.5
    1) ±10% with Δp = 10 bar, Δp = valve pressure differential
    2) The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter.

    Electrical

    Size 10 16 25 27 32 35
    Voltage type   Direct voltage
    Type of signal   analog
    Maximum current consumption of the amplifier A 1.5
    of the amplifier (impulse current) A 3
    Protection class according to DIN EN 60529   IP65 (with mating connector mounted and locked)
    Power supply   V 24
    Supply voltage range   V 18 … 35
    Earthing (GND)   V 0
    Command value input "A1" V 10
    Command value input range "F1" mA 4 … 20
    Actual value output "A1" V 10
    Actual value output range "F1" mA 4 … 20
    Hydraulic fluid Classification Suitable sealing materials Standards
    Mineral oils and related hydrocarbons HL, HLP NBR / FKM DIN 51524
    Flame-resistant - containing water HFC (Fuchs HYDROTHERM 46M, Petrofer Ultra Safe 620) NBR ISO 12922
    Phosphoric acid esters HFD-R FKM  

    Important information on hydraulic fluids:

    For more information and data on the use of other hydraulic fluids please contact us.

    There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.).

    The flash point of the process and operating medium used must be 40 K over the maximum solenoid surface temperature.

    Flame-resistant - containing water:
    Maximum pressure differential per control edge 175 bar
    Pressure pre-loading at the tank port > 20 % of the pressure differential, otherwise increased cavitation
    Life cycle as compared to operation with mineral oil HL, HLP 50 % to 100 %

     
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